DAYARATNAM, P. (1985). Prestressed concrete structures.--Ed.4. Oxford and Ibh Pub.
Lua i Stíl Chicago (17ú heag.)DAYARATNAM, Pasala. Prestressed Concrete Structures.--Ed.4. New Delhi: Oxford and Ibh Pub, 1985.
Lua MLA (9ú heag.)DAYARATNAM, Pasala. Prestressed Concrete Structures.--Ed.4. Oxford and Ibh Pub, 1985.
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